Not many shows place Easter Eggs better than Arrow, having already teased the Flash and Harley Quinn this season, and last night, EP Marc Guggenheim tweeted out a photo that hints at the possible presence of a certain Emerald Knight in the Arrow world. Come check it out!

This is not the first time the show has teased Ferris Air as, if you remember, the airline was mentioned throughout Season 1 as Edward Fyers and his men tried to shoot down a Ferris Air jetliner until they were stopped by Oliver, Slade, and Shado. Could this new preview signify a more prominent presence of the airline in the near future? While the appearance of Hal Jordan or John Stewart's Green Lantern is still unlikely due to movie obligations, it cannot be completely ruled out. In case you forgot, executive producers Greg Berlanti and Marc Guggenheim both worked on the script for 2011's Green Lantern film starring Ryan Reynolds and Blake Lively, so an introduction of Hal Jordan, John Stewart, or Carol Ferris isn't completely out of the question for future seasons or on the Flash spin-off. Whether Reynolds or Lively reprise their roles is up for debate. Anyways, this is another nice Easter Egg from the creative team of Arrow. What do you guys think? Would you want a Green Lantern cameo in the future? Who would you want to put on the ring? Sound off below.

Arrow is a modern retelling of the DC Comic character Green Arrow. Multi-millionaire playboy Oliver Queen is missing, and presumed dead after a shipwreck at sea. He is found five years later, having survived on a desert island off his wits and by mastering the bow and arrow. When he returns to Starling City however, he discovers that it is rife with corruption and crime. Oliver decides to put his skills to use by taking on the persona of Arrow and becoming the vigilante that Starling City needs.

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